1940 Bow and Bromley by-election
Votes

Party
Party
Candidate
Votes
%
±
-
Labour
Charles Key
11,594
95.8
+18.2
-
Communist
Isabel Brown
506
4.2
N/A
Majority
Majority
Majority
11,088
91.6
+3.6
Turnout
Turnout
Turnout
12,100
32.4
−27.1
-
Labour hold
Labour hold
Swing
-
-

Question: What percentage of votes held the 1940 Bow and Bromley election seat for labour?
Answer: On a reduced turnout, Key held the 1940 Bow and Bromley by-election seat for Labour with 95.8% of the votes.